Question about Epson DFX 8000 Matrix Printer
The purpose of this adjustment is to set the PG offset value in accordance with the nose dimension
of the printhead. (For details, refer to Chapter 2.)
The offset for the nose dimension is represented by the adjustment value “ALPHA.” The “ALPHA” value
is stored in the memory on the main board, so the PG adjustment mechanism can read the value as
needed. Be sure to perform the adjustment when required. If this adjustment is not performed correctly,
the platen gap will be incorrect, the paper could be caught by a head pin, or, in the worst case, a head
pin could break.
NOTE: The printhead adjustment value is written on the front of the head unit (refer to Figure 4-2). After
the printhead is attached, the value cannot be seen. Be sure to write down the value before
attaching the printhead.
Step 1: Connect the AC cable. Mount the ribbon cassette, and load paper into the front tractor.
Step 2: Turn the printer power on while pressing the LINE FEED, MICRO FEED (V), and PAPER SELECT
switches (Be sure that the top cover is closed. Do not open it until you turn the printer power
off.), then wait until the buzzer rings five times.
Load the paper by pressing either the LINE FEED or PAPER SELECT switch, then wait until
the PAPER OUT lamp goes off (approximately 15 seconds).
Press the ON LINE switch.
Press the MICRO FEED (A) switch the number of times indicated by the value written on the
front of the printhead.
l The buzzer rings each time the MICRO FEED switch is pressed.
l Press the MICRO FEED (A) switch to increment the value.
l Press the MICRO FEED (V) switch to decrement the value.
l The value range is O to 10.
To confirm the value stored, press the FORM FEED switch so that the value is printed.
l If the value is incorrect, return to Step 5.
. When the value is correct, go to Step 7.
Step 7: Press the ON LINE switch and confirm that the buzzer rings five times. The printer prints the
final value stored. If the value is correct, turn the printer power off.
Posted on Aug 22, 2009
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Posted on Jan 02, 2017
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